For the past decade, the progression of artificial intelligence has been dominated by the "Scale Hypothesis" - the assumption that intelligence is an emergent property derived solely from parameter count and training volume. However, the paradigm shift of 2025-2026, marked by the rise of "Inference-Centric" architectures (such as OpenAI’s o1 series and DeepSeek-R1), empirically demonstrated that test-time compute can drastically scale performance. While engineering teams have successfully implemented these "System 2" reasoning loops, the fundamental mechanics of why they work remain under-theorized. The industry largely treats inference scaling as a brute-force optimization. This paper argues that this view is fundamentally incomplete. I propose that Intelligence in Large Language Models and potentially in general cognitive systems is not a static property of stored knowledge (Weights), but a dynamic, "thermodynamic" function of the informational state (Entropy) within the active context window. This paper introduces the Resonance Framework, a theoretical model defining reasoning as the mechanical process of iteratively sculpting the input to reduce entropy. By refining the context, a system increases the resonance between a prompt and the model's latent capabilities, forcing the output out of a generic probability distribution and into a specific, high-fidelity convergence. Supported by empirical spatial-reasoning tests and recent literature on Mutual Information Peaks, this paper establishes the concept of the "Resonance Threshold" and proposes a multi-core Architect/Executor architecture to automate context optimization via Epistemic Probing. Finally, this framework serves as a critique of current "benchmaxing" training trends, arguing that over-optimizing weights degrades Contextual Plasticity. The Resonance Framework suggests that the path to Artificial General Intelligence (a "Universal Intellect") relies not on building brittle, specialized savants, but on maximizing the capacity for cross-domain resonance.